<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
  <head>
    <title>My JSP 'index.jsp' starting page</title>
	<script src="js/jquery-1.4.2.js" type="text/javascript">
	</script>
	<script language="JavaScript" type="text/JavaScript" src="js/jquery.blockUI.js">
	</script>
  </head>
  
  <body>
    <input type="button" onclick="check();" />
  </body>
  <script type="text/javascript">
  	function check(){
  		try{
  			$.blockUI({ message: "正在登录..." });
  		}catch(e){
  			alert(e.name + ": " + e.message);
  		}
  	}
  </script>
</html>
